diff --git a/internal/httpapi/handlers_members.go b/internal/httpapi/handlers_members.go
index 693018b..5a38376 100644
--- a/internal/httpapi/handlers_members.go
+++ b/internal/httpapi/handlers_members.go
@@ -25,6 +25,22 @@ func (s *Server) handleListMembers(w http.ResponseWriter, r *http.Request) {
 	writeJSON(w, http.StatusOK, out)
 }
 
+// handleMemberDirectory: 모든 인증 사용자에게 공개되는 최소 디렉터리(이름·아바타).
+// PM/작업자/담당자 등을 이메일이 아니라 이름으로 표시하기 위한 용도. 직급/연락처
+// 같은 상세는 포함하지 않는다.
+func (s *Server) handleMemberDirectory(w http.ResponseWriter, r *http.Request) {
+	type entry struct {
+		ID          string `json:"id"`
+		Email       string `json:"email"`
+		DisplayName string `json:"displayName"`
+		AvatarKey   string `json:"avatarKey"`
+	}
+	var out []entry
+	s.db.Model(&models.Member{}).Order("display_name asc").
+		Select("id", "email", "display_name", "avatar_key").Find(&out)
+	writeJSON(w, http.StatusOK, out)
+}
+
 func (s *Server) handleGetMember(w http.ResponseWriter, r *http.Request) {
 	var m models.Member
 	if err := s.db.First(&m, "id = ?", chi.URLParam(r, "id")).Error; err != nil {
diff --git a/internal/httpapi/router.go b/internal/httpapi/router.go
index fda6fdc..12c17d5 100644
--- a/internal/httpapi/router.go
+++ b/internal/httpapi/router.go
@@ -66,6 +66,7 @@ func NewRouter(db *gorm.DB, store *storage.Storage, cfg config.Config, pusher *p
 
 			// ---- slice 1: members / org ----
 			r.Get("/members", s.handleListMembers)
+			r.Get("/members/directory", s.handleMemberDirectory)
 			r.Post("/members", s.handleCreateMember)
 			r.Get("/members/{id}", s.handleGetMember)
 			r.Get("/members/{id}/avatar", s.handleGetAvatar)